US5710862A - Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals - Google Patents
Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals Download PDFInfo
- Publication number
- US5710862A US5710862A US08/085,693 US8569393A US5710862A US 5710862 A US5710862 A US 5710862A US 8569393 A US8569393 A US 8569393A US 5710862 A US5710862 A US 5710862A
- Authority
- US
- United States
- Prior art keywords
- signal
- input signal
- occurrences
- spectral
- voice signals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L2021/02168—Noise filtering characterised by the method used for estimating noise the estimation exclusively taking place during speech pauses
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Signal Processing (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Noise Elimination (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Abstract
Description
Claims (31)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/085,693 US5710862A (en) | 1993-06-30 | 1993-06-30 | Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals |
JP50347595A JP3640393B2 (en) | 1993-06-30 | 1994-04-23 | Method and apparatus for reducing undesirable characteristics of spectral estimation of noise signals during generation of speech signals |
DE4494736T DE4494736T1 (en) | 1993-06-30 | 1994-04-23 | Method and apparatus for reducing an undesired characteristic of a spectral estimate of a smoke signal between the occurrence of speech signals |
AU70422/94A AU666446B2 (en) | 1993-06-30 | 1994-04-23 | Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals |
DE4494736A DE4494736C2 (en) | 1993-06-30 | 1994-04-23 | Method for spectral analysis of an input signal and spectral analyzer for performing a spectral analysis |
PCT/US1994/005724 WO1995001634A1 (en) | 1993-06-30 | 1994-04-23 | Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals |
CN94190448A CN1051393C (en) | 1993-06-30 | 1994-04-23 | Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals |
GB9503797A GB2284966B (en) | 1993-06-30 | 1994-04-23 | Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals |
CA002141316A CA2141316C (en) | 1993-06-30 | 1994-04-23 | Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals |
KR95700686A KR0138806B1 (en) | 1993-06-30 | 1995-02-23 | Method and apparatus for reducing an undesirable characteristics of a special estimation of a noise signal between occurrences of voice signals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/085,693 US5710862A (en) | 1993-06-30 | 1993-06-30 | Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals |
Publications (1)
Publication Number | Publication Date |
---|---|
US5710862A true US5710862A (en) | 1998-01-20 |
Family
ID=22193332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/085,693 Expired - Lifetime US5710862A (en) | 1993-06-30 | 1993-06-30 | Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals |
Country Status (9)
Country | Link |
---|---|
US (1) | US5710862A (en) |
JP (1) | JP3640393B2 (en) |
KR (1) | KR0138806B1 (en) |
CN (1) | CN1051393C (en) |
AU (1) | AU666446B2 (en) |
CA (1) | CA2141316C (en) |
DE (2) | DE4494736T1 (en) |
GB (1) | GB2284966B (en) |
WO (1) | WO1995001634A1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5802109A (en) * | 1996-03-28 | 1998-09-01 | Nec Corporation | Speech encoding communication system |
US5946649A (en) * | 1997-04-16 | 1999-08-31 | Technology Research Association Of Medical Welfare Apparatus | Esophageal speech injection noise detection and rejection |
US6138093A (en) * | 1997-03-03 | 2000-10-24 | Telefonaktiebolaget Lm Ericsson | High resolution post processing method for a speech decoder |
US6157908A (en) * | 1998-01-27 | 2000-12-05 | Hm Electronics, Inc. | Order point communication system and method |
US6230123B1 (en) * | 1997-12-05 | 2001-05-08 | Telefonaktiebolaget Lm Ericsson Publ | Noise reduction method and apparatus |
US6240381B1 (en) * | 1998-02-17 | 2001-05-29 | Fonix Corporation | Apparatus and methods for detecting onset of a signal |
US6683919B1 (en) | 1999-06-16 | 2004-01-27 | National Semiconductor Corporation | Method and apparatus for noise bandwidth reduction in wireless communication signal reception |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU721270B2 (en) * | 1998-03-30 | 2000-06-29 | Mitsubishi Denki Kabushiki Kaisha | Noise reduction apparatus and noise reduction method |
WO2003019775A2 (en) * | 2001-08-23 | 2003-03-06 | Koninklijke Philips Electronics N.V. | Audio processing device |
GB2381978B (en) * | 2001-11-12 | 2005-09-21 | Thales Res Ltd | Signal processing method and apparatus |
US7895036B2 (en) * | 2003-02-21 | 2011-02-22 | Qnx Software Systems Co. | System for suppressing wind noise |
JP5597575B2 (en) * | 2011-02-23 | 2014-10-01 | 国立大学法人 琉球大学 | Communication device |
JP5654955B2 (en) * | 2011-07-01 | 2015-01-14 | クラリオン株式会社 | Direct sound extraction device and reverberation sound extraction device |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4331837A (en) * | 1979-03-12 | 1982-05-25 | Joel Soumagne | Speech/silence discriminator for speech interpolation |
US4346262A (en) * | 1979-04-04 | 1982-08-24 | N.V. Philips' Gloeilampenfabrieken | Speech analysis system |
US4630300A (en) * | 1983-10-05 | 1986-12-16 | United States Of America As Represented By The Secretary Of The Navy | Front-end processor for narrowband transmission |
US4700361A (en) * | 1983-10-07 | 1987-10-13 | Dolby Laboratories Licensing Corporation | Spectral emphasis and de-emphasis |
US4726037A (en) * | 1986-03-26 | 1988-02-16 | American Telephone And Telegraph Company, At&T Bell Laboratories | Predictive communication system filtering arrangement |
US4759071A (en) * | 1986-08-14 | 1988-07-19 | Richards Medical Company | Automatic noise eliminator for hearing aids |
US5007094A (en) * | 1989-04-07 | 1991-04-09 | Gte Products Corporation | Multipulse excited pole-zero filtering approach for noise reduction |
US5012519A (en) * | 1987-12-25 | 1991-04-30 | The Dsp Group, Inc. | Noise reduction system |
EP0458615A2 (en) * | 1990-05-22 | 1991-11-27 | Nec Corporation | Speech recognition method with noise reduction and a system therefor |
US5295225A (en) * | 1990-05-28 | 1994-03-15 | Matsushita Electric Industrial Co., Ltd. | Noise signal prediction system |
US5459813A (en) * | 1991-03-27 | 1995-10-17 | R.G.A. & Associates, Ltd | Public address intelligibility system |
US5473727A (en) * | 1992-10-31 | 1995-12-05 | Sony Corporation | Voice encoding method and voice decoding method |
US5479560A (en) * | 1992-10-30 | 1995-12-26 | Technology Research Association Of Medical And Welfare Apparatus | Formant detecting device and speech processing apparatus |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS627097A (en) * | 1985-07-03 | 1987-01-14 | 日本電気株式会社 | Acoustic noise remover |
JP3074680B2 (en) * | 1988-04-13 | 2000-08-07 | ケイディディ株式会社 | Post-noise shaping filter for speech decoder. |
JP2797616B2 (en) * | 1990-03-16 | 1998-09-17 | 松下電器産業株式会社 | Noise suppression device |
GB9217313D0 (en) * | 1992-08-14 | 1992-09-30 | British Broadcasting Corp | Method and apparatus for attenuating an unwnated signal in a mix of signals |
SG49709A1 (en) * | 1993-02-12 | 1998-06-15 | British Telecomm | Noise reduction |
-
1993
- 1993-06-30 US US08/085,693 patent/US5710862A/en not_active Expired - Lifetime
-
1994
- 1994-04-23 DE DE4494736T patent/DE4494736T1/en active Pending
- 1994-04-23 CN CN94190448A patent/CN1051393C/en not_active Expired - Fee Related
- 1994-04-23 WO PCT/US1994/005724 patent/WO1995001634A1/en active Application Filing
- 1994-04-23 DE DE4494736A patent/DE4494736C2/en not_active Expired - Fee Related
- 1994-04-23 CA CA002141316A patent/CA2141316C/en not_active Expired - Fee Related
- 1994-04-23 AU AU70422/94A patent/AU666446B2/en not_active Ceased
- 1994-04-23 GB GB9503797A patent/GB2284966B/en not_active Expired - Fee Related
- 1994-04-23 JP JP50347595A patent/JP3640393B2/en not_active Expired - Fee Related
-
1995
- 1995-02-23 KR KR95700686A patent/KR0138806B1/en not_active IP Right Cessation
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4331837A (en) * | 1979-03-12 | 1982-05-25 | Joel Soumagne | Speech/silence discriminator for speech interpolation |
US4346262A (en) * | 1979-04-04 | 1982-08-24 | N.V. Philips' Gloeilampenfabrieken | Speech analysis system |
US4630300A (en) * | 1983-10-05 | 1986-12-16 | United States Of America As Represented By The Secretary Of The Navy | Front-end processor for narrowband transmission |
US4700361A (en) * | 1983-10-07 | 1987-10-13 | Dolby Laboratories Licensing Corporation | Spectral emphasis and de-emphasis |
US4726037A (en) * | 1986-03-26 | 1988-02-16 | American Telephone And Telegraph Company, At&T Bell Laboratories | Predictive communication system filtering arrangement |
US4759071A (en) * | 1986-08-14 | 1988-07-19 | Richards Medical Company | Automatic noise eliminator for hearing aids |
US5012519A (en) * | 1987-12-25 | 1991-04-30 | The Dsp Group, Inc. | Noise reduction system |
US5007094A (en) * | 1989-04-07 | 1991-04-09 | Gte Products Corporation | Multipulse excited pole-zero filtering approach for noise reduction |
EP0458615A2 (en) * | 1990-05-22 | 1991-11-27 | Nec Corporation | Speech recognition method with noise reduction and a system therefor |
US5295225A (en) * | 1990-05-28 | 1994-03-15 | Matsushita Electric Industrial Co., Ltd. | Noise signal prediction system |
US5459813A (en) * | 1991-03-27 | 1995-10-17 | R.G.A. & Associates, Ltd | Public address intelligibility system |
US5479560A (en) * | 1992-10-30 | 1995-12-26 | Technology Research Association Of Medical And Welfare Apparatus | Formant detecting device and speech processing apparatus |
US5473727A (en) * | 1992-10-31 | 1995-12-05 | Sony Corporation | Voice encoding method and voice decoding method |
Non-Patent Citations (6)
Title |
---|
EIA/TIA Interim Standard, Cellular System Dual Mode Mobile Station Base Station Compatibility Standard, IS 54 B, Apr. 1992, pp. 1 52. * |
EIA/TIA Interim Standard, Cellular System Dual-Mode Mobile Station-Base Station Compatibility Standard, IS-54-B, Apr. 1992, pp. 1-52. |
Steven M. Kay, "Noise Compensation for Autoregressive Spectral Estimate", IEEE Transactions on Acoustics, Speech and Signal Processing, vol. ASSP-28, No. 3, Jun. 1980, pp. 292-303. |
Steven M. Kay, Noise Compensation for Autoregressive Spectral Estimate , IEEE Transactions on Acoustics, Speech and Signal Processing, vol. ASSP 28, No. 3, Jun. 1980, pp. 292 303. * |
Tohkura, et al., "Spectral Smoothing Technique in PARCOR Speech Analysis-Synthesis", IEEE Transactions on Acoustics, Speech and Signal Processing, vol. ASSP-26, No. 6, Dec. 1978, pp. 587-596. |
Tohkura, et al., Spectral Smoothing Technique in PARCOR Speech Analysis Synthesis , IEEE Transactions on Acoustics, Speech and Signal Processing, vol. ASSP 26, No. 6, Dec. 1978, pp. 587 596. * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5802109A (en) * | 1996-03-28 | 1998-09-01 | Nec Corporation | Speech encoding communication system |
US6138093A (en) * | 1997-03-03 | 2000-10-24 | Telefonaktiebolaget Lm Ericsson | High resolution post processing method for a speech decoder |
US5946649A (en) * | 1997-04-16 | 1999-08-31 | Technology Research Association Of Medical Welfare Apparatus | Esophageal speech injection noise detection and rejection |
US6230123B1 (en) * | 1997-12-05 | 2001-05-08 | Telefonaktiebolaget Lm Ericsson Publ | Noise reduction method and apparatus |
US6157908A (en) * | 1998-01-27 | 2000-12-05 | Hm Electronics, Inc. | Order point communication system and method |
US6240381B1 (en) * | 1998-02-17 | 2001-05-29 | Fonix Corporation | Apparatus and methods for detecting onset of a signal |
US6683919B1 (en) | 1999-06-16 | 2004-01-27 | National Semiconductor Corporation | Method and apparatus for noise bandwidth reduction in wireless communication signal reception |
Also Published As
Publication number | Publication date |
---|---|
JP3640393B2 (en) | 2005-04-20 |
KR950703191A (en) | 1995-08-23 |
AU7042294A (en) | 1995-01-24 |
DE4494736T1 (en) | 1995-09-21 |
DE4494736C2 (en) | 1998-03-12 |
JPH08502604A (en) | 1996-03-19 |
GB2284966B (en) | 1997-12-10 |
CN1111465A (en) | 1995-11-08 |
GB2284966A (en) | 1995-06-21 |
AU666446B2 (en) | 1996-02-08 |
CA2141316C (en) | 1999-04-20 |
GB9503797D0 (en) | 1995-04-12 |
CA2141316A1 (en) | 1995-01-12 |
WO1995001634A1 (en) | 1995-01-12 |
CN1051393C (en) | 2000-04-12 |
KR0138806B1 (en) | 1998-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5485522A (en) | System for adaptively reducing noise in speech signals | |
KR100423029B1 (en) | A system for adaptively filtering audio signals to increase speech intelligibility in a noisy environment | |
US5710862A (en) | Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals | |
RU2151430C1 (en) | Noise simulator, which is controlled by voice detection | |
EP1154408B1 (en) | Multimode speech coding and noise reduction | |
CN1218506C (en) | Method and apparatus for using state determination to control functional elements | |
CA2110090C (en) | Voice encoder | |
JP2001513916A (en) | High resolution post-processing method for speech decoder | |
JPH11501405A (en) | Communication system and method using speaker dependent time scaling technique | |
US20040153313A1 (en) | Method for enlarging the band width of a narrow-band filtered voice signal, especially a voice signal emitted by a telecommunication appliance | |
WO2002033696B1 (en) | Method and system for estimating artificial high band signal in speech codec | |
US6925435B1 (en) | Method and apparatus for improved noise reduction in a speech encoder | |
JPH11338499A (en) | Noise canceller | |
DE69907967D1 (en) | NOISE REDUCTION IN A MOBILE COMMUNICATION SYSTEM | |
US6167371A (en) | Speech filter for digital electronic communications | |
JP2002521945A (en) | Communication terminal | |
US7031913B1 (en) | Method and apparatus for decoding speech signal | |
JPH10177397A (en) | Method for detecting voice | |
JP3896654B2 (en) | Audio signal section detection method and apparatus | |
JPH0832526A (en) | Voice detector | |
JPH09200308A (en) | Communication terminal equipment | |
JPH10187193A (en) | Method of noise suppression and circuit therefor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: MOTOROLA, INC., ILLINOIS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:URBANSKI, STEVEN A.;REEL/FRAME:006606/0330 Effective date: 19930630 |
|
STPP | Information on status: patent application and granting procedure in general |
Free format text: APPLICATION UNDERGOING PREEXAM PROCESSING |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
FPAY | Fee payment |
Year of fee payment: 12 |
|
AS | Assignment |
Owner name: MOTOROLA MOBILITY, INC, ILLINOIS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MOTOROLA, INC;REEL/FRAME:025673/0558 Effective date: 20100731 |
|
AS | Assignment |
Owner name: MOTOROLA MOBILITY LLC, ILLINOIS Free format text: CHANGE OF NAME;ASSIGNOR:MOTOROLA MOBILITY, INC.;REEL/FRAME:029216/0282 Effective date: 20120622 |
|
AS | Assignment |
Owner name: GOOGLE TECHNOLOGY HOLDINGS LLC, CALIFORNIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MOTOROLA MOBILITY LLC;REEL/FRAME:034303/0001 Effective date: 20141028 |